Q1: Can I stack more than one for more capacity?
A: Yes. A DELTA Max can support up to two DELTA Max Smart Extra Battery to meet more extensive capacity requirements.
Q2: Does it enable DELTA Max(2000) to plug in more powerful devices?
A: The Smart Extra Battery just expands more capacity and supports your electrical appliances to have a longer use time, but DELTA Max(2000) itself can power very powerful equipment, it can support even 3400W appliances with X-Boost on.
Q3: Is this product compatible with the DELTA?
A: No, it only can be used with DELTA Max(2000).
Q4: Why does the battery lose power when not in use?
A: The unit may be in standby mode where the power supply, screen, and/or inverter could be using up to 50W. Remember to long press the power button to turn the unit completely off. If the unit loses power when completely off, try recharging it to 100% and use it to 0% two or three times to calibrate the battery. If the problem persists, please contact customer support.
NOTE:
DO NOT connect the DELTA Max Extra Battery to DELTA Max(2000) while discharging or charging; if you need to remove the Extra Battery Cable, please make sure that the DELTA Max Extra Battery and DELTA Max(2000) are both powered off.